The Swelter Premier MKII sweat suit has been designed to increase your metabolism and calorie burning for maximum fat burning results and weight loss. our new 2014 swelter design includes a two layer sauna suit system to maximise heat retention and build up moisture between layers. the waterproof non breathable polyester outer shell keeps you protected from the rain and the coated inner sweat suit lining of 100% nylon prevents moisture from escaping. the premier sweat suit top is designed with an elasticated neck inner and elasticated cuff on the sleeves that are adjustable with velcro. the top also has a left breast pocket with a headphone inlet that is perfect to hold a music player or your valuables whilst you work out. we have improved the high visibility with reflective piping on either side of the suit and reflective logos to ensure safe outdoor training on those dark nights. our new design also includes an adjustable pack away hood for those rainy days which will also maximise heat retention from your head. the swelter premier mk ii sauna pants have a cinch cord waist and elasticated ankle closures to minimise heat loss and maximise sauna suit results without interference during training. the inner layer is also elasticated with an adjustable velcro strap for a snug fit. the trousers have a fashionable design with traditional orange hip zip pockets on each side. the premier mk ii comes in seven sizes: small - under 5ft 10in (178cm) and under 9st 7lbs (135lbs/62kgs), medium - under 5ft 10in (178cm) and 9st 7lbs (135lbs/62kgs) to 11st (154lbs/70kgs), large - 5ft 7in (170cm) plus and 11st (154lbs/70kgs) to 13st (182lbs/ 83kgs), xl - 5ft 8in (173cm) plus and 13st (182lbs/83kgs) to 15st (210lbs/95kgs), 2xl - 5ft 10in (178cm) plus and 15st (210lbs/95kgs) to 18st (250lbs/114kgs), 3xl -5ft 10in (178cm) plus and 18st (250lbs/114kgs) to 20st (280lbs/127kgs)), 4xl - 5ft 10in (178cm) plus and 20st (280lbs/127kgs) plus.